X0306 4 2022-12-01 0 0001389170 Targa Resources Corp. TRGP 0001387728 Chung Paul W 811 LOUISIANA, SUITE 2100 HOUSTON TX 77002 1 0 0 0 Common Stock 2022-12-01 4 S 0 7044 76.0299 D 218512 I See Footnote Common Stock 74739 D Common Stock 244208 I See Footnote Common Stock 45816 I By IRA The sales reported in this Form 4 were effected pursuant to a Rule 10b5-1 trading plan adopted by the reporting person on May 19, 2022. The price reported in Column 4 is a weighted average price. These shares were sold in multiple transactions at prices ranging from $76.00 to $76.07, inclusive. The reporting person undertakes to provide to Targa Resources Corp., any security holder of Targa Resources Corp., or the staff of the United States Securities and Exchange Commission, upon request, full information regarding the number of shares sold at each separate price within the range set forth in footnote (2) to this Form 4. These shares are held by the Helen Chung 2007 Family Trust, of which Mr. Chung's spouse and Mr. Chung's sister-in-law serve as co-trustees. These shares are held by the Paul Chung 2008 Family Trust, of which Mr. Chung serves as trustee. /s/ Paul W. Chung 2022-12-05